#bgvideo,.mask{top:0;left:0;position:absolute}
.mask,body,html{width:100%;height:100%}
.logo,.nav{margin-bottom:0}
.cont ul,.nav{list-style:none}#bgvideo,#qrcode,
.mask{position:absolute}
.cont p,.footer{text-align:center}
.footer .doc a,.footer .txt a,.nav li a{color:#fff;text-decoration:none}
#muted,#qrcode,body,html{overflow:hidden}
#bgvideo{z-index:-2;background-color:#818793}
.mask{z-index:-1;background-color:rgba(1,7,20,.3)}
.header{padding-top:40px}
.logo{margin-top:0;padding-left:80px}
.logo img{display:block;width:238px;height:62px}
.nav{margin-top:21px;padding-right:80px}
.nav li{float:left;font-size:18px;border-right:1px solid #fff}
.nav li:last-child{border-right:none}
.nav li a{display:block;padding:0 23px;line-height:20px;outline:0}
.cont{margin:0 auto;width:1200px;padding-top:306px}
.cont p{margin-top:0;margin-bottom:0;height:150px}
.cont p img{display:inline-block;width:1200px;height:150px}
.cont ul{margin:176px auto 0;width:936px;height:76px}
.cont li{margin-left:30px;margin-right:30px;float:left;width:252px;line-height:76px;border-radius:38px}
.cont li a,.cont li span{display:block;width:100%;height:100%;text-indent:-9999px;opacity:.7;filter:alpha(opacity=70);outline:0}#muted,
.cont li a,.cont li span{background-image:url(../images/sprite_img.png);background-repeat:no-repeat}
.cont li a:hover,.cont li span:hover{opacity:1;filter:alpha(opacity=100)}
.cont li:nth-of-type(1) a{background-position:0 0}
.cont li:nth-of-type(2) a{background-position:-253px 0}
.cont li:nth-of-type(3) span{background-position:-506px 0}
#qrcode{display:none;top:100px;left:50%;margin-left:-98px;width:186px;height:186px;background:url(../images/download_code.png) 0 0/100% no-repeat #fff;border:5px solid rgba(255,255,255,.4);border-radius:10px;background-clip:padding-box}
.footer{position:fixed;left:0;bottom:0;padding-bottom:10px;width:100%;font-size:12px}
.footer .doc{margin-bottom:10px;line-height:20px;opacity:.8;filter:alpha(opacity=80)}
.footer .doc a{padding-left:30px;padding-right:30px;border-right:1px solid #fff;outline:0}
.footer .doc a:last-child{border-right:none}.footer .txt{margin-top:0;color:#fff;opacity:.6;filter:alpha(opacity=60);line-height:8px}.footer .txt span{padding-left:10px}#muted{position:absolute;right:10px;bottom:10px;width:30px;height:30px;border-radius:20px;background-position:0 -77px;cursor:pointer}@media screen and (max-height:1000px){.header{padding-top:20px}.logo{padding-left:0}.logo img{transform:scale(.7)}.nav{padding-right:20px}.cont{padding-top:120px}.cont ul{margin-top:90px;-webkit-transform:scale(.7);-moz-transform:scale(.7);-o-transform:scale(.7);transform:scale(.7)}.cont>p{-webkit-transform:scale(.7);-moz-transform:scale(.7);-o-transform:scale(.7);transform:scale(.7)}#qrcode{top:50%;right:-230px;left:auto;margin-top:-98px;margin-left:0}}